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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.analysis;
import java.util.Arrays;
import java.util.List;
import cuchaz.enigma.Util;
import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.ConstructorEntry;
import cuchaz.enigma.mapping.Entry;
public class EntryReference<E extends Entry,C extends Entry> {
private static final List<String> ConstructorNonNames = Arrays.asList("this", "super", "static");
public E entry;
public C context;
private boolean m_isNamed;
public EntryReference(E entry, String sourceName) {
this(entry, sourceName, null);
}
public EntryReference(E entry, String sourceName, C context) {
if (entry == null) {
throw new IllegalArgumentException("Entry cannot be null!");
}
this.entry = entry;
this.context = context;
m_isNamed = sourceName != null && sourceName.length() > 0;
if (entry instanceof ConstructorEntry && ConstructorNonNames.contains(sourceName)) {
m_isNamed = false;
}
}
public EntryReference(E entry, C context, EntryReference<E,C> other) {
this.entry = entry;
this.context = context;
m_isNamed = other.m_isNamed;
}
public ClassEntry getLocationClassEntry() {
if (context != null) {
return context.getClassEntry();
}
return entry.getClassEntry();
}
public boolean isNamed() {
return m_isNamed;
}
public Entry getNameableEntry() {
if (entry instanceof ConstructorEntry) {
// renaming a constructor really means renaming the class
return entry.getClassEntry();
}
return entry;
}
public String getNamableName() {
if (getNameableEntry() instanceof ClassEntry) {
ClassEntry classEntry = (ClassEntry)getNameableEntry();
if (classEntry.isInnerClass()) {
// make sure we only rename the inner class name
return classEntry.getInnermostClassName();
}
}
return getNameableEntry().getName();
}
@Override
public int hashCode() {
if (context != null) {
return Util.combineHashesOrdered(entry.hashCode(), context.hashCode());
}
return entry.hashCode();
}
@Override
public boolean equals(Object other) {
if (other instanceof EntryReference) {
return equals((EntryReference<?,?>)other);
}
return false;
}
public boolean equals(EntryReference<?,?> other) {
// check entry first
boolean isEntrySame = entry.equals(other.entry);
if (!isEntrySame) {
return false;
}
// check caller
if (context == null && other.context == null) {
return true;
} else if (context != null && other.context != null) {
return context.equals(other.context);
}
return false;
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append(entry);
if (context != null) {
buf.append(" called from ");
buf.append(context);
}
return buf.toString();
}
}
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